Spa tub



FIG. 1 is a top perspective view of a sap tub, showing my new design;

FIG. 2 is an elevation view of the front of the FIG. 1 spa tub, the rearand left and right sides being the same;

FIG. 3 is a top plan view of the spa tub of FIG. 1;

FIG. 4 is a top plan view, similar to FIG. 3, with a spa tub cover;

FIG. 5 is a front elevation view of the FIG. 4 spa tub, the rear, leftand right sides being the same;

FIG. 6 is a bottom plan view of each of the FIG. 1 and FIG. 4 spa tubs;

FIG. 7 is an elevation taken in section through the corner of the wallof the FIG. 1 spa tub; and,

FIG. 8 is an elevation taken in section through the narrowed side wallof the FIG. 1 spa tub.

The ornamental design for a spa tub, as shown and described.